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module RbtcArbitrage
module Clients
class CoinbaseClient
include RbtcArbitrage::Client
# return a symbol as the name
# of this exchange
def exchange
:coinbase
end
# Returns an array of Floats.
# The first element is the balance in BTC;
# The second is in USD.
def balance
if @options[:verbose]
warning = "Coinbase doesn't provide a USD balance because"
warning << " it connects to your bank account. Be careful, "
warning << "because this will withdraw directly from your accounts"
warning << "when you trade live."
logger.warn warning
end
@balance ||= [max_float, max_float]
end
# Configures the client's API keys.
def validate_env
validate_keys :coinbase_key, :coinbase_address
end
# `action` is :buy or :sell
def trade action
interface.send("#{action}!".to_sym, @options[:volume])
end
# `action` is :buy or :sell
# Returns a Numeric type.
def price action
method = "#{action}_price".to_sym
@price ||= interface.send(method).to_f
end
# Transfers BTC to the address of a different
# exchange.
def transfer client
interface.send_money client.address, @options[:volume]
end
def interface
@interface ||= Coinbase::Client.new(ENV['COINBASE_KEY'])
end
def address
@address ||= interface.receive_address.address
end
private
def max_float
Float::MAX
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems